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The B+W Filter Company has been manufacturing optical filters for over 50 years. Their filters use Schott optical glass from which the filters are diamond cut, precision ground and then polished to ensure flatness on both surfaces and uniform thickness throughout. These, among other innovative measures, allow them to offer filters that meet the needs of even the most discriminating users.
B+W KB 1.5 [82A]
This light-blue filter absorbs the excess yellow-red light from daylight in the morning and evening hours. It creates cooler colors and corrects for the warming tendency of some color films. Filter factor is approx. 1.1.
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Filter - Coating
Standard
Filter - Factors & F-stops
f-stop = 1/3, Filter Factor = 1.3,
Filter - Thread Size
52mm
Filter - Fitting Type
Screw In
Filter - Type of Effect
Colour Correction, Cool Effect,